Power transmission



C. LLOYD. POWER TRANSMISSION.

APPLICATION FILED FEB. 7, 1921. RENEWED NOV. 30, 192i. 1,402,626.

Patented Jan. 3,1922

O 2 SHEETS-SHEET lvlll mi IIIIIIVIIJ $In A INVENTOR.

C'HA El. E5 LLOY 7 BY I v am TTORNEYS- 0.. LLOYD. I POWER TRANSMISSION. APPLICATION FILED FEB. 7, 1.82!- RENEWED NOV- 30. I921. 1,402,626, Patented Jan. 3, 192

2 SHEETS-SHEET.2.

INVENTOR.

ATORNEYSf Be it k exact; desoriptionof'the inventionfsmh as vful improvements in fpovver transmission;

and more pafrtienlarl yto :1 device forrtran'sga mitting ,poiv'er: from "a ch'iving shaftto;a

driven shaft andz t thesame time increase, and ,11. the speed of th e (driven shaft, the n einl obi ject of thepresentlinvention isthe provision of wdeviceadaipted to bez ppliedfto. afdrivfing shaft and having 'ecoenti'ic connection to a driven shaft whereby; the driven shaft 1 fvvillbe driven at akhigheif rateof speed than};

"the drivingshagift. v 1 1 thee fpresent I invention is the provision ef the" power transmitting device especially 1 a dz pted gfor inc easing f speediwhen transmitting power: from a driving shaftto fa driven shaftfend wherein}, v v the oonstruotionjof thefj devie Wi11""e1f1fib16 1 theifop erator to readilyatttch thefsziine to With the abovefla ndnotheii objeet s in view i jtheinv'ention consists in' -the novel (features of oon'stru ction, combination and arrangeinent of pa'rts hereinafter fmoife-f'f ully set 1; ifo'rth', pointed out in the claims and shown 1 Iffin the acoonlpanyingi drawings inwhich: f v I Figure l is alysidelelevationfof "a; devieej constrneted in a cfc'ordan ce "with in'y invention illustratin the same applied "to the driving i V i i li-gvge theupperiaircliete fgtoe offa '02iin.bl0c'lp 16 attaoheclto the reduced portion figo'f theffl and the "will enable othersf skilleci' inthe atrtv to which it appertainsto make ancl'nseltheisame.;

This ,invention 'relates Another ob'e tof the dniving shaft-or remove it} theie'fi'OmQ '3 Shaft "of av inotor; I

the same in" a nentralvposition; f

Figure 4 v s fear e1 v showing the various changes lof the; T link 'connection with respect tothe position of" thecamsr J i Inn carryingoilt myinvention I providef e ma n driveq m generelly indi ated, bythe OWnf'thatLIy- QEARLESLLoYb a; I citizen of the United statesfresiding j timoi'e, and Sthte of-Marylandiha-ve invented gcertain newnnd seful Improvements in Power Transmission; and I do hereby de-' elare the vfollowving flto be a fnlh olear and {pin 14 a' s-oieagi'lyfshowninFignrefil "lhisq l i tiojn' illustrating the driving shgtftf in onequarter position driven shaftin one half position,

similarview illustrating the driving shaft in 'a' three-eighth position and yk the driven shaft in ai three quarter position, 3

I provide a pair .of link menihefsg" l2; eztch pivotally connected "to second pair of link) tach the scam-blocks ;j 14; to the outerl fagelof adapted to he engaged by the jengisfbf the oam me'mbers l0 nponlotation of. thegshaftffi- 9 ,thisengagement ofthecsms-lOvyiththe 1 1" J ij-- m faces 15" forcing 1 thelink ,memhers; 12

211M113 outwardly to the Epositidn 'as'killnsatrated in Fig; 4:, thus;bringingthe pivot l pin 14 to fits uppermost position vvith i'e- @spectto thedriven shaftifzisshovvnin Fig. f 4 v4,"nndnponoontinuedrotationof theshaft" 9, one end offtheuoam rnember ll'willjeng, Y '95 mini and arranged directly above thie pivot foam block 16 is seeni'ely attached toth'ejsi'de of the: arm 1? by means of sere' v holt l'i'i,

iWi11 'b6 readily apparent that upon rotation of the driving shaft9,-thecam members IO, f and' 11 which ere shown in 1 neutmIfposi- '7 tion n igures, will begin their rotation I with the shaft 9,the oainlO vvillengage' thefff 9. 1m faeesf1 5 on thfi cem'blocks'ie and move 3 1 CEARLES who: memo-B mum q filed manyv;mmggariaif d. 443,368,, Renevvied'flovelnber-30;1921;1'SrieiNQ iS IQOQS;

' V ,numera -l 1,; one end of tvvhieh is rednc'edilzisW" at2 andl providedpvvithelongitndihtiL'Slot v; '3 adapted fto receive a" guide pin or bcltge i y which isjsnita bly' secured to jany istationary uPPQI t i h a m 1 in t r sp c ve i {operative positions. The other'end'of the'QQ -IT arm 'is provided v vvith a, reduced p0rtionjg5 z tdapteclto befie'ccentrically ooniiectedrtofa {IpnHeyQ monntedfnponthe driven shaft 7. i f

j} The {1. 1'111'1 is providedadjacent there; du ced portin 5 vvithia lsnitahle.opening I, i through whiohwextendsthedriving shaft- ,9 ,n i and mou tednpen the" driving sh'aftf 9 in spaced relation erethe diamond shepecieems 1 ffjIn" order toii npert motionto the F havingo'neof their; ends pivoteily connected v to the stationary pineendtheir ot11er}ends** 1 75' Inembersi- 13,{the-said second pair of; linkT members having their opposite ends pivotv ally mounted upon' thepin 14. whichom j' i V neotsfthe rednoed-fportion 5" of the aim 1 1' i tofthe pulleylfii 'l iij'oiiden toimpartinove p mentofthe link: meinberswl 2 an ;1"13;-MI ,atf-

the link nienihers 13,;said oam blocks being i -1 providedwith arcuategfnces shown at lfi j" 4 a although anj 'otheijfasteni ngfi eans maybe f f i employed. '7 I IF "o nlthe above descfiptiontakenin; con-Y nection with the accompanying drawings, it q the arms 12 and outwardly to the 'p o's'i Qt-ionas illustrated in Fig. 4, thus bringing -the pivot pin 14 from itslowermostfposition' on'the pulley 6 to its uppermost psi-.- '7

completes one-halfrevolution upon onequarter revolution upon, the shafti); "Upon tion as shown in Fig. 4, thus theipulley 6" continued rotation, of the shaft9,rone end ofthe'cam 11 will engage theupperarcuate face of the cam block l6to force the arm r LdOvvn-wardlyagain to complete the revolu- Ltion of theshaft 6 whereby the cam mem ber'svlO and ll 'will then be disposed inja neutral position or at the completion of onehalf revolution of the shaft 9 and lupon further movement the ends of the cams 10 Will again engage the cam faces 15 tobr-ing the "point 1411p to one-half revolution as shown in Figure (l and upon, the 7 continued rota; tionof the shaft 9 the end of the oamlQ op;

be noted that the pulley (imakes two revolutions during one revolution of the shaft 9 andcloubling thespeed of the driven shaft 7 with respect toth'e driving shafti9.

"It Will'be noted in the Q accompanying drawings that I have illustrated my improvedfpower transmitting device" as attached to the driving shaft of a motor ve- J hicle'engine, but I'ivishitto be understood w 7 that the same canbe readily atta-ohed to a stationaryfengine in order that the sp'eedfof the driven' shaft can beiinoreasedoverthe speedof theidriving' shaftfthus should' the 7, providing Work of the driven shaft require a speed ofi 1 200 revolutions a minute, the driving shaft can be operated at the rate' of 1 007 revol'u tion'sfa 'minute andythe' driven shaftjstill in accordance with the vvorkfrequired, thus for considerable saving in fu'el for operatmgtheengme; p

1. A power transmlttingfdevioe ncluding a driving shaft, a driven Shaft, a movable zarm eccentrieally connectedfto the driven shaft at one end thereof, means for guid ng the opposite end of said arm inits' proper relative p'os'1t1ons, a"p1 vot point arranged in alignment with the'tvvo shaftsan d-inspaced relationhvithflthe driving shaftplink members arranged in pairs upon opposite sides of the driving shaft having their innerends pivotallyconnected,'one pair of sai'd'links having their; outer tends mounted upon the i 'facefc'arried by the arm loam members I carried by the drlving -shaftlf foiyengage ment with sald cam faces whereby upon rotation of ,the driving shaft said-cams 'Will engage the cam facesandjr'otate the driven 1 fi? m n gher rate of speed: than the d'llVlIlg shaft, s r r 2; A power i i a driving shaft and adriven shaft,'.a pivot transmitting device including .pin' "arranged. in spaced relation with the driving shaft andf in' alignment with both i of said shafts, linkmember's pivotally connected tothep'in and having an eccentrio connection to the driven shaft, an arm slidable upon 'th'e pivot pin aniclihavin'g eocentrio connection to" the driven. shaft, cam

facescafrrier'l-byithe linksand arm and cam members carried by the driving shaftfor driven shaft, an. arm arranged'adjacent, the

links and eccentrically fco'nnected to .the

engagement with said cfanrfaceswhereby 'upon rotation of the driving-shaft thecams Wlll engage the: cam faces andjrota'te the dr ven shaft ata h1ghe r'rate of speed than r V u the drnungshaft; i

driven shaft, cam 'faces carried by said links andfarm and Cams carried by the 'driving shaft for engagement 'W1tl1 said cam faces whereby upon rotatlon of the-dr vih'g shaft,

the: cams will engage said faoes and rotate thanthe drivingshaftl V V v I ,the'drivenshaftatfa higherrate ofgspeed' maintain its proper number of revolut ons I 3.: V Z1 [A device; of the, class; described includ 1119; a driving shaft and a drivenshaft, 'mov-f,

, ,i v o v V 1,00 able, members eccentricallyconnected to I the driven shaft, cam' faces carried by: said 1 movable membersand cams carried'by the vi driving shaft for engagement with said 7 'cam faces whereb'ynponrotation: Willengage the camszjvith the camfaizesandrw Ji-Cir A- LE T fi r-Di I i 

